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Finding the Fourth Proportional to 63,009.20, 94,513.80 and 45,642.80

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Solution

The fourth proportional to 63,009.20, 94,513.80 and 45,642.80 is: 68,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.20 : 94,513.80 = 45,642.80 : x
  2. Step 2: Convert to fraction form
    63,009.20/94,513.80 = 45,642.80/x
  3. Step 3: Cross multiply
    63,009.20x = 94,513.80 × 45,642.80
  4. Step 4: Simplify right side
    63,009.20x = 4,313,874,470.64
  5. Step 5: Solve for x
    x = 4,313,874,470.64/63,009.20
  6. Step 6: Final answer
    x = 68,464.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.